package com.smart.community.property.service.impl;

import java.math.BigDecimal;
import java.time.LocalDate;
import java.time.format.DateTimeFormatter;
import java.util.ArrayList;
import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import com.smart.community.commons.exception.BusinessException;
import com.smart.community.commons.result.ResultCode;
import com.smart.community.property.service.DataScopeService;
import com.smart.community.property.service.DashboardService;
import com.smart.community.property.vo.DashboardBillingStandardVO;
import com.smart.community.property.vo.DashboardDataVO;
import com.smart.community.property.vo.DashboardInspectionVO;
import com.smart.community.property.vo.DashboardKpiVO;
import com.smart.community.property.vo.DashboardTrendVO;
import com.smart.community.property.vo.InspectionRecordVO;

import lombok.extern.slf4j.Slf4j;

/**
 * 驾驶舱Service实现类
 * 
 * @author Wu.Liang
 * @version 1.0.0
 * @since 2025-01-30
 */
@Slf4j
@Service
public class DashboardServiceImpl implements DashboardService {

    @Autowired
    private DataScopeService dataScopeService;

    @Override
    public DashboardDataVO getDashboardData(Long propertyCompanyId) throws Exception {
        log.info("获取驾驶舱完整数据，物业公司ID：{}", propertyCompanyId);
        
        // 参数验证
        if (propertyCompanyId == null) {
            throw new BusinessException(ResultCode.PARAM_ERROR, "物业公司ID不能为空");
        }
        
        DashboardDataVO dashboardData = new DashboardDataVO();
        dashboardData.setKpiData(getKpiData(propertyCompanyId));
        dashboardData.setTrendData(getTrendData(propertyCompanyId, 12));
        dashboardData.setInspectionData(getInspectionData(propertyCompanyId));
        dashboardData.setBillingStandardData(getBillingStandardData(propertyCompanyId));
        
        log.info("获取驾驶舱完整数据成功，物业公司ID：{}", propertyCompanyId);
        return dashboardData;
    }

    @Override
    public DashboardKpiVO getKpiData(Long propertyCompanyId) throws Exception {
        log.info("获取KPI指标数据，物业公司ID：{}", propertyCompanyId);
        
        // 参数验证
        if (propertyCompanyId == null) {
            throw new BusinessException(ResultCode.PARAM_ERROR, "物业公司ID不能为空");
        }
        
        DashboardKpiVO kpiData = new DashboardKpiVO();
        
        // 模拟数据，实际应该从数据库查询
        kpiData.setTodayIncome(new BigDecimal("12580.00"));
        kpiData.setIncomeChange(15.6);
        kpiData.setTodayRepairOrders(23);
        kpiData.setRepairChange(-8.3);
        kpiData.setManagedCommunities(8);
        kpiData.setTotalResidents(1256);
        kpiData.setCollectionRate(94.5);
        kpiData.setExpiringThisMonth(45);
        kpiData.setRenewedThisMonth(38);
        kpiData.setRenewalRate(84.4);
        kpiData.setPaidCount(1187);
        kpiData.setUnpaidCount(69);
        
        log.info("获取KPI指标数据成功，物业公司ID：{}", propertyCompanyId);
        return kpiData;
    }

    @Override
    public DashboardTrendVO getTrendData(Long propertyCompanyId, Integer months) throws Exception {
        log.info("获取趋势数据，物业公司ID：{}，统计月数：{}", propertyCompanyId, months);
        
        // 参数验证
        if (propertyCompanyId == null) {
            throw new BusinessException(ResultCode.PARAM_ERROR, "物业公司ID不能为空");
        }
        if (months == null || months <= 0) {
            throw new BusinessException(ResultCode.PARAM_ERROR, "统计月数必须大于0");
        }
        
        DashboardTrendVO trendData = new DashboardTrendVO();
        
        // 生成月份列表
        List<String> dates = new ArrayList<>();
        List<BigDecimal> incomeData = new ArrayList<>();
        List<Integer> householdData = new ArrayList<>();
        
        LocalDate today = LocalDate.now();
        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("M月");
        
        for (int i = months - 1; i >= 0; i--) {
            LocalDate date = today.minusMonths(i);
            dates.add(date.format(formatter));
            
            // 模拟数据，实际应该从数据库查询
            // 收入数据：20-50万元之间
            incomeData.add(new BigDecimal(String.valueOf((int) (Math.random() * 31) + 20)));
            // 户数数据：1000-2500户之间
            householdData.add((int) (Math.random() * 1501) + 1000);
        }
        
        trendData.setDates(dates);
        trendData.setIncomeData(incomeData);
        trendData.setHouseholdData(householdData);
        
        log.info("获取趋势数据成功，物业公司ID：{}", propertyCompanyId);
        return trendData;
    }

    @Override
    public DashboardInspectionVO getInspectionData(Long propertyCompanyId) throws Exception {
        log.info("获取安全检查数据，物业公司ID：{}", propertyCompanyId);
        
        // 参数验证
        if (propertyCompanyId == null) {
            throw new BusinessException(ResultCode.PARAM_ERROR, "物业公司ID不能为空");
        }
        
        DashboardInspectionVO inspectionData = new DashboardInspectionVO();
        
        // 模拟数据，实际应该从数据库查询
        inspectionData.setTodayInspections(15);
        inspectionData.setTodayPassRate(100.0);
        inspectionData.setMonthInspections(156);
        inspectionData.setMonthPassRate(98.7);
        
        // 检查记录列表
        List<InspectionRecordVO> inspectionList = new ArrayList<>();
        inspectionList.add(createInspectionRecord(1, "张师傅", "电梯A栋1号", "安全运行", "合格", "2025-01-30", "A栋1单元"));
        inspectionList.add(createInspectionRecord(2, "李师傅", "消防栓", "水压测试", "合格", "2025-01-30", "B栋2单元"));
        inspectionList.add(createInspectionRecord(3, "王师傅", "监控设备", "图像清晰度", "合格", "2025-01-30", "小区大门"));
        inspectionList.add(createInspectionRecord(4, "赵师傅", "门禁系统", "刷卡功能", "合格", "2025-01-30", "C栋入口"));
        inspectionList.add(createInspectionRecord(5, "刘师傅", "照明系统", "亮度测试", "合格", "2025-01-30", "地下车库"));
        
        inspectionData.setInspectionList(inspectionList);
        
        log.info("获取安全检查数据成功，物业公司ID：{}", propertyCompanyId);
        return inspectionData;
    }

    @Override
    public List<DashboardBillingStandardVO> getBillingStandardData(Long propertyCompanyId) throws Exception {
        log.info("获取收费标准数据，物业公司ID：{}", propertyCompanyId);
        
        // 参数验证
        if (propertyCompanyId == null) {
            throw new BusinessException(ResultCode.PARAM_ERROR, "物业公司ID不能为空");
        }
        
        List<DashboardBillingStandardVO> billingStandardList = new ArrayList<>();
        
        // 模拟数据，实际应该从数据库查询
        billingStandardList.add(createBillingStandard(1, "物业管理费", new BigDecimal("2.50"), "元/㎡", "包含公共区域清洁、绿化养护、安保服务等"));
        billingStandardList.add(createBillingStandard(2, "电梯维护费", new BigDecimal("0.80"), "元/㎡", "电梯日常维护、年检、维修等费用"));
        billingStandardList.add(createBillingStandard(3, "公共能耗费", new BigDecimal("0.60"), "元/㎡", "公共照明、水泵、监控等设备用电"));
        billingStandardList.add(createBillingStandard(4, "垃圾清运费", new BigDecimal("0.30"), "元/㎡", "生活垃圾收集、运输、处理费用"));
        billingStandardList.add(createBillingStandard(5, "绿化养护费", new BigDecimal("0.40"), "元/㎡", "小区绿化修剪、浇水、施肥等养护"));
        billingStandardList.add(createBillingStandard(6, "安保服务费", new BigDecimal("0.50"), "元/㎡", "门岗值班、巡逻、监控等安保服务"));
        
        log.info("获取收费标准数据成功，物业公司ID：{}", propertyCompanyId);
        return billingStandardList;
    }

    @Override
    public boolean hasPropertyCompanyPermission(Long userId, Long propertyCompanyId) throws Exception {
        log.info("检查用户物业公司权限，用户ID：{}，物业公司ID：{}", userId, propertyCompanyId);
        
        // 参数验证
        if (userId == null) {
            throw new BusinessException(ResultCode.PARAM_ERROR, "用户ID不能为空");
        }
        if (propertyCompanyId == null) {
            throw new BusinessException(ResultCode.PARAM_ERROR, "物业公司ID不能为空");
        }
        
        try {
            boolean hasPermission = dataScopeService.hasPropertyCompanyPermission(userId, propertyCompanyId);
            log.info("检查用户物业公司权限完成，用户ID：{}，物业公司ID：{}，有权限：{}", userId, propertyCompanyId, hasPermission);
            return hasPermission;
        } catch (Exception e) {
            log.warn("检查用户物业公司权限失败，用户ID：{}，物业公司ID：{}", userId, propertyCompanyId, e);
            return false;
        }
    }

    @Override
    public boolean hasAnyPropertyCompanyPermission(Long userId) throws Exception {
        log.info("检查用户是否有任何物业公司权限，用户ID：{}", userId);
        
        // 参数验证
        if (userId == null) {
            throw new BusinessException(ResultCode.PARAM_ERROR, "用户ID不能为空");
        }
        
        try {
            List<Long> propertyCompanyIds = dataScopeService.getUserPropertyCompanyIds(userId);
            boolean hasPermission = propertyCompanyIds != null && !propertyCompanyIds.isEmpty();
            log.info("检查用户是否有任何物业公司权限完成，用户ID：{}，有权限：{}", userId, hasPermission);
            return hasPermission;
        } catch (Exception e) {
            log.warn("检查用户是否有任何物业公司权限失败，用户ID：{}", userId, e);
            return false;
        }
    }

    /**
     * 创建检查记录
     * 
     * @param id 记录ID
     * @param inspector 检查员
     * @param equipment 设备名称
     * @param item 检查项目
     * @param result 检查结果
     * @param time 检查时间
     * @param location 检查位置
     * @return 检查记录VO
     */
    private InspectionRecordVO createInspectionRecord(Integer id, String inspector, String equipment, 
                                                     String item, String result, String time, String location) {
        InspectionRecordVO record = new InspectionRecordVO();
        record.setId(id);
        record.setInspector(inspector);
        record.setEquipment(equipment);
        record.setItem(item);
        record.setResult(result);
        record.setTime(time);
        record.setLocation(location);
        return record;
    }

    /**
     * 创建收费标准
     * 
     * @param id 标准ID
     * @param service 服务名称
     * @param price 价格
     * @param unit 单位
     * @param description 描述
     * @return 收费标准VO
     */
    private DashboardBillingStandardVO createBillingStandard(Integer id, String service, BigDecimal price, 
                                                            String unit, String description) {
        DashboardBillingStandardVO standard = new DashboardBillingStandardVO();
        standard.setId(id);
        standard.setService(service);
        standard.setPrice(price);
        standard.setUnit(unit);
        standard.setDescription(description);
        return standard;
    }
}
